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Mathematical modeling of electrically charged viscoelastic jet / Matin Samiee in INTERNATIONAL POLYMER PROCESSING, Vol. XXXII, N° 4 (08/2017)
[article]
Titre : Mathematical modeling of electrically charged viscoelastic jet Type de document : texte imprimé Auteurs : Matin Samiee, Auteur ; M. Rafizadeh, Auteur Année de publication : 2017 Article en page(s) : p. 502-507 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Electrofilature
Modèles mathématiques
Rhéologie
ViscoélasticitéIndex. décimale : 668.4 Plastiques, vinyles Résumé : In this project we performed a theoretical study of the electrospinning process. The electrospinning process typically consists of two phases. For the first part, we have studied Feng's model (2003) and used Phan-Thien Tanner (PTT) rheological model instead of Giesekus model which was used by Feng. A theoretical model for the jet is derived by using a thin filament approximation, and the resulting differential equations are solved numerically. For the second part of the jet, the basis of the modeling is the bead-spring approach first proposed by Reneker et al. (2000) and we added the evaporation effect to Reneker's model. The three dimensional equations describing the dynamics of the bending of electrospun jets are derived and the calculated behavior is compared with experimental observations of jets.
Note de contenu : - MATHEMATICAL DESCRIPTION OF A JET : Model of a rectilinear electrified liquid jet - Nondimensionnalization of governing equations - Boundary conditions - Bending instability of electrified jets
- RESULTS AND DISCUSSION : result of stable region - Result of bending partDOI : 10.3139/217.3405 En ligne : https://drive.google.com/file/d/1FLBAJB25dytIonZQ-b2QQHlv1XQdPqt6/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28907
in INTERNATIONAL POLYMER PROCESSING > Vol. XXXII, N° 4 (08/2017) . - p. 502-507[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 19165 - Périodique Bibliothèque principale Documentaires Disponible Novel filter media made of electrospun nanofibers for dedusting plants / Leonie Beek in NONWOVENS TRENDS, Vol. 5, N° 1 (2023)
[article]
Titre : Novel filter media made of electrospun nanofibers for dedusting plants Type de document : texte imprimé Auteurs : Leonie Beek, Auteur ; Thomas Schneiders, Auteur Année de publication : 2023 Article en page(s) : p. 16 Langues : Multilingue (mul) Catégories : Dépoussiérage
Electrofilature
Nanofibres
Nontissés
Plantes -- NettoyageIndex. décimale : 677.6 Tissus obtenus par des procédés spéciaux, quelle que soit leur composition : jacquard, feutres tissés et non tissés, tapisseries, tissus ajourés Note de contenu : - Fig. 1 : Filter medium consisting of substrate material with microfibers and coating of nanofibers in cross-section and top view En ligne : https://drive.google.com/file/d/1_KKjELjGjaP59MOS9NEZOuxyN9tWfyAj/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39282
in NONWOVENS TRENDS > Vol. 5, N° 1 (2023) . - p. 16[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 24025 - Périodique Bibliothèque principale Documentaires Disponible 24026 - Périodique Bibliothèque principale Documentaires Disponible Online measurement of electrospinning jet velocity of polyvinyl alcohol / S. J. Choi in INTERNATIONAL POLYMER PROCESSING, Vol. XXXI, N° 3 (07/2016)
[article]
Titre : Online measurement of electrospinning jet velocity of polyvinyl alcohol Type de document : texte imprimé Auteurs : S. J. Choi, Auteur ; C. S. Kong, Auteur ; D. H. Han, Auteur ; H. S. Kim, Auteur Année de publication : 2016 Article en page(s) : p. 285-291 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Alcool polyvinylique
Electrofilature
Fibres textiles synthétiques
Nanofibres
Vitesse -- MesureIndex. décimale : 668.4 Plastiques, vinyles Résumé : Electrospinning is a fascinating technology for producing nanoscale fibers. In this study, jet velocities were investigated for the full jet range using microparticles as tracers. Significant differences were observed in the jet velocities as a function of the measuring position and direction. This suggests that the jets drive toward the collector and undergo jet separation after forming jet entanglements. The visual evidence confirmed the jet elongation data. DOI : 10.3139/217.3123 En ligne : https://drive.google.com/file/d/1dusic6CId5W7rq9YFT28TTWj0mcNXM7X/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=26640
in INTERNATIONAL POLYMER PROCESSING > Vol. XXXI, N° 3 (07/2016) . - p. 285-291[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 18175 - Périodique Bibliothèque principale Documentaires Disponible Optimization of parameters for electrospinning of polyacrylonitrile nanofibers by the Taguchi method / G. K. Celep in INTERNATIONAL POLYMER PROCESSING, Vol. XXXII, N° 4 (08/2017)
[article]
Titre : Optimization of parameters for electrospinning of polyacrylonitrile nanofibers by the Taguchi method Type de document : texte imprimé Auteurs : G. K. Celep, Auteur ; K. Dincer, Auteur Année de publication : 2017 Article en page(s) : p. 508-514 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Electrofilature
Nanofibres
Polyacrylonitrile
Solutions de polymère
Taguchi, Méthodes de (Contrôle de qualité)Index. décimale : 668.4 Plastiques, vinyles Résumé : This study empirically examined the influences of electrospinning process factors (applied voltage, feed rate of the polymer solution and tip-to-collector distance) and the polymer solution concentration on the diameters of electrospun polyacrylonitrile (PAN) nanofibers. To examine this, the polymer solution concentration, applied voltage, feed rate of the polymer solution and tip-to-collector distance were specified as parameters with four levels. In order to optimize these parameters, Taguchi's L16 orthogonal design (4 parameters, 4 levels) was applied to the experiential design. In order to describe the optimum production conditions for electrospun PAN nanofibers, the signal-to-noise (S/N) ratio was used, which was calculated from the diameters of electrospun PAN nanofibers using the “smaller-the-better” approach. By using the S/N ratio response results, the most influential parameter determining the nanofiber diameter was identified as the polymer solution concentration. The nanofiber diameter at the optimum conditions was 163.6 nm. In addition, homogeneous nanofibers with no observed beads were obtained by means of the newly designed adjustable rotary plate collector. In conclusion, the Taguchi technique was seen to be an efficient technique to optimise the crucial electrospinning process factors used in nanofiber production. Note de contenu : - Materials
- Preparation for the polymer solutions
- Design and analysis of experimental parameters by the Taguchi methodDOI : 10.3139/217.3411 En ligne : https://drive.google.com/file/d/1vu_tBXAEp17ieBdAn0rEx5QHKrk7atTo/view?usp=drive [...] Format de la ressource électronique : Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=28908
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Code-barres Cote Support Localisation Section Disponibilité 19165 - Périodique Bibliothèque principale Documentaires Disponible Pad dyeing of cellulose acetate nanofibres with disperse dyes / Zeeshan Khatri in COLORATION TECHNOLOGY, Vol. 129, N° 2 (04/2013)
[article]
Titre : Pad dyeing of cellulose acetate nanofibres with disperse dyes Type de document : texte imprimé Auteurs : Zeeshan Khatri, Auteur ; Awais Khatri, Auteur ; Umaima Saleem, Auteur ; Gopiraman Mayakrishnan, Auteur ; Byoung-Suhk Kim, Auteur ; Kai Wei, Auteur ; Ick-Soo Kim, Auteur Année de publication : 2013 Article en page(s) : p. 159-163 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Acétate de cellulose L'acétate de cellulose est une matière plastique inventée en 1865. C'est l'ester acétate de la cellulose.
Colorants réactifs
Elasticité
Electrofilature
Fibres cellulosiques
Nanofibres
Teinture -- Fibres textilesIndex. décimale : 667.3 Teinture et impression des tissus Résumé : In addition to a number of applications of nanofibres in technical fields such as medical, filtration and biosensing, nanofibres are recently being widely explored in terms of apparel use. Past work has focused on the functional properties of nanofibres for apparel use. Coloured nanofibres were produced to investigate their aesthetic properties for the potential application to apparel. Webs of cellulose acetate nanofibre were electrospun and dyed with a high energy level CI Disperse Red 167:1 dye and a low energy level CI Disperse Blue 56 dye using the continuous pad–dry–bake method. Results revealed that the high energy level dye produced better colour yield than the lower energy level dye. The dyed cellulose acetate nanofibres produced acceptable colorimetric values, colour yield and colour fastness. Young’s modulus of dyed nanofibres increased by threefold in comparison to the undyed cellulose acetate nanofibres. Scanning electron microscopy images showed good morphology with the smooth surface of the dyed cellulose acetate nanofibres. Note de contenu : - EXPERIMENTAL : Materials - Electrospinning - Dyeing of nanofibres - Measurements
- RESULTS AND DISCUSSION : Effect of baking temperature - Effect of baking time - Effect of dye concentration - Colour fastness properties - Morphology of dyed cellulose acetate nanofibres - Mechanical propertyDOI : 10.1111/j.1478-4408.2012.00409.x Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18060
in COLORATION TECHNOLOGY > Vol. 129, N° 2 (04/2013) . - p. 159-163[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 14906 - Périodique Bibliothèque principale Documentaires Disponible PAN nano-cobweb-bead-on-string fiber composite membrane for air filtration / Yazhi Liu in CHEMICAL FIBERS INTERNATIONAL, Vol. 72, N° 4 (11/2022)
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